An equilateral triangle has 3 sides of equal length ... the angle formed outside the triangle is the exterior angle. \(g\) is the interior angle. \(h\) is the exterior angle.

An equilateral triangle has 3 sides of equal length ... the angle formed outside the triangle is the exterior angle. \(g\) is the interior angle. \(h\) is the exterior angle.

Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...